KR20150001540U - Junction box having terminal - Google Patents

Junction box having terminal Download PDF

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Publication number
KR20150001540U
KR20150001540U KR20130008438U KR20130008438U KR20150001540U KR 20150001540 U KR20150001540 U KR 20150001540U KR 20130008438 U KR20130008438 U KR 20130008438U KR 20130008438 U KR20130008438 U KR 20130008438U KR 20150001540 U KR20150001540 U KR 20150001540U
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KR
South Korea
Prior art keywords
terminal
relay
bus bar
tab terminal
tab
Prior art date
Application number
KR20130008438U
Other languages
Korean (ko)
Inventor
안태운
Original Assignee
엘에스산전 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘에스산전 주식회사 filed Critical 엘에스산전 주식회사
Priority to KR20130008438U priority Critical patent/KR20150001540U/en
Publication of KR20150001540U publication Critical patent/KR20150001540U/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/111—Resilient sockets co-operating with pins having a circular transverse section
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Connection Or Junction Boxes (AREA)

Abstract

Wherein the relay tab terminal includes a relay terminal into which the relay tab terminal and the bus bar tap terminal are inserted and the relay terminal contacts at least twice with the relay tab terminal and at least twice with the bus bar tap terminal. And the contact area with each tap terminal is improved.

Description

JUNCTION BOX HAVING TERMINAL including relay terminal

The present invention relates to a junction box including relay terminals, and more particularly to a junction box including relay terminals for connecting terminals of components provided in a junction box to each other.

2. Description of the Related Art As the number of electronic products mounted on vehicles and the like increases, electric circuits for connecting electrical components such as connectors, fuses, and relays used in such electronic products are rapidly and complicatedly changed.

In order to simplify such an electric circuit, a junction box that electrically connects each electric component to each other using an internal bus bar is widely used.

The junction box includes an upper case, a lower case, an insulating plate and a bus bar alternately stacked between the upper case and the lower case, and a groove is formed in the upper case to mount electrical parts such as a connector, a fuse, and a relay. The terminal of the above-described electric part is inserted into the groove of the upper case, and the terminal of the electric part and the terminal of the bus bar are energized by the relay terminal.

1 is a cross-sectional view of a relay terminal provided in a conventional junction box for connecting a terminal of an electric component and a terminal of a bus bar. 1, the relay terminal 1 energizes the tap terminal 21 of the relay 2 and the tab terminal 31 of the bus bar 3.

Such a conventional relay terminal 1 includes an elastic contact portion 8 provided between the relay tab terminal 21 and the bus bar tab terminal 31 and bent to provide an elastic force. The elastic contact portion (8) includes a piece (15) and a piece (16). The long piece portion 15 is provided with a first contact 15a which is convex partially and brought into contact with the relay tap terminal 21. The short piece portion 16 is bent and extended at the long piece portion 15, And a second contact 16a which is in contact with the bus bar tap terminal 31. The relay tab terminal 21 and the bus bar tab terminal 31 are energized by the elastic contact portion 8.

The conventional relay terminal 1 has a problem that the contact area between the first contact 15a and the second contact 16a is insufficient and the current carrying capacity is small. In addition, since the conventional relay terminal 1 has insufficient contact area, there is a problem that contact resistance is large and heat is generated as time elapses, so that the contact force is weakened.

In addition, the conventional relay terminal 1 requires a bending process more than seven times at the time of manufacturing, which complicates the manufacturing process.

KR1142201 10

It is an object of the present invention to provide a junction box including a relay terminal with improved energizing capacity.

It is another object of the present invention to provide a junction box including a relay terminal in which the shape is simplified, the manufacturing process is simple, and the manageability is improved.

As one embodiment of the present invention, a junction box including a relay tap terminal and a relay terminal into which a bus bar tap terminal is inserted may be provided. The relay terminal is provided between the relay tab terminal and the bus bar tap terminal. The relay terminal is connected to the relay tap terminal and the bus bar tap terminal. The relay tap terminal extends from the support part to the support part. And a bus bar tab terminal pressing part extending from the supporting part and pressing the bus bar tab terminal toward the supporting part, wherein the supporting part contacts at least twice the relay tab terminal And may contact the bus bar tab terminal at least twice.

And the support portion includes: a first member at least twice in contact with the relay tab terminal; A connecting member curved and extending in an opposite direction at one end of the first member; And a second member extending from the connecting member toward the other end of the first member and contacting the bus bar tab terminal at least twice.

The first member may include at least two beads protruded from and in contact with the relay tab terminals, and the second member may include at least two beads protruded from and in contact with the bus bar tab terminals. At least one of the plurality of beads may extend in the longitudinal direction of the relay tab terminal or the bus bar tap terminal.

And the support portion includes a through hole formed in the first member and / or the second member; And a protrusion formed on the second member and / or the first member corresponding to the through-hole. At this time, the protrusion can be inserted into the through hole.

And the protrusion may be formed by cutting the second member and / or a part of the first member and bending toward the through-hole.

The protrusion may extend through the through-hole and may be in contact with the relay tab terminal or the bus bar tap terminal. At this time, the protrusion may further extend through the through-hole to block the relay tab terminal pressing portion and the first member, or to interpose between the bus bar tab terminal pressing portion and the second member.

The projection may be in contact with the longitudinal end of the relay tap terminal or the longitudinal end of the bus bar tap terminal.

The above-described aspect of the present invention simplifies the assembling procedure because a sufficient contact area can be secured by inserting the relay tab terminal or the bus bar tab terminal until the relay tab terminal or the bus bar tab terminal is inserted into the relay terminal without touching the relay terminal.

The relay tab terminal pressing portion may be curved at both side ends of the first member to extend toward the center of the first member and an end thereof may be in contact with the relay tab terminal.

The bus bar tab terminal pressing portion may be curved at both side ends of the second member to extend toward a central portion of the second member and an end thereof may be in contact with the bus bar tap terminal.

At this time, the relay tab terminal pressing portion and the bus bar tab terminal pressing portion may be symmetrical with respect to each other with the support portion interposed therebetween.

According to one embodiment of the present invention, since the relay terminal is contacted with the relay tab terminal more than twice and the bus bar tap terminal is contacted twice more, the contact area is widened so that the energization capacity increases and the contact force is maintained over time .

Also, according to the embodiment of the present invention, since the structure of the relay terminal is simple, the number of bending necessary for manufacturing the relay terminal is small and the bending method is simple, which shortens the manufacturing time.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate preferred embodiments of the present invention and, together with the detailed description of the invention, serve to further the understanding of the technical idea of the invention. And shall not be interpreted.
1 is a sectional view of a relay terminal provided in a conventional junction box for connecting a terminal of an electric part and a terminal of a bus bar,
FIG. 2 is a perspective view showing a relay terminal of a junction box according to an embodiment of the present invention; FIG.
3 is a cross-sectional view taken along the line I-I in Fig. 2,
Fig. 4 is a cross-sectional view taken along a line II-II in Fig. 2,
FIG. 5 is a perspective view of the relay terminal shown in FIG. 2 in which a bus bar tap terminal and a relay tab terminal are inserted;
Fig. 6 is a sectional view in the III-III direction in Fig. 5,
Fig. 7 is a flowchart showing a manufacturing method of the embodiment shown in Fig. 2,
FIG. 8 is a perspective view showing a state where the first bending step is completed and the second bending is performed,
FIG. 9 is a perspective view showing a state where the second bending step is completed and the third bending is completed.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. In the following detailed description of the operation principle of the preferred embodiment of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may be unnecessary to obscure the subject matter of the present invention.

2 is a perspective view showing a relay terminal of a junction box according to an embodiment of the present invention, FIG. 3 is a sectional view seen from the direction of I-I in FIG. 2, and FIG. 4 is a sectional view viewed from a direction of II- to be. FIG. 5 is a perspective view of the relay terminal shown in FIG. 2 in which a bus bar tap terminal and a relay tab terminal are inserted, and FIG. 6 is a sectional view taken along the line III-III of FIG. The junction box according to one embodiment of the present invention will be described in detail with reference to FIGS. 2 to 6. FIG.

In the junction box according to one embodiment of the present invention, electric parts such as a relay, a connector, and a fuse are connected to a bus bar and are energized. Hereinafter, the relay terminal 100 for connecting the relay and the bus bar will be described in detail with reference to the relay as an example.

The junction box according to one embodiment of the present invention further includes a relay terminal 100 into which the tab terminal 210 of the relay 200 and the tab terminal 310 of the bus bar 300 are inserted. The relay tab terminal 210 and the bus bar tab terminal 310 are inserted into the relay terminal 100 and are energized with each other.

The relay terminal 100 includes a support portion 110, a bus bar tap terminal pressing portion 120, and a relay tap terminal pressing portion 130. The relay terminal 100 is integrally formed by punching and bending a single plate-like conductor as described later.

The support portion 110 is provided between the relay tab terminal 210 and the bus bar tab terminal 310 and contacts the relay tab terminal 210 and the bus bar tab terminal 310 twice. The support member 110 is a plate member having a predetermined thickness bent in a substantially U-shape and includes a first member 111, a connecting member 113, a second member 114, a first through hole 116, A protrusion 117, a second through hole 118, and a second protrusion 119.

The first member 111 has two beads 112a and 112b protruding toward the relay tab terminal 210 and contacting the relay tab terminal 210 on the surface of the plate member. The first member 111 contacts the relay tab terminal 210 twice because the two beads 112a and 112b contact the surfaces of the relay tab terminals 210 respectively. These beads 112a and 112b extend along the longitudinal direction of the relay tap terminal 210 and are disposed side by side. However, the shape and the number of the beads are not limited thereto, and any shape capable of widening the contact area with the relay tab terminal 210 may be formed and more.

The connecting member 113 extends in a direction opposite to the first member 111 in a direction opposite to the first member 111 and connects the second member 114 with the first member 111 as described below. The first member 111, the connecting member 113, and the second member 114 are integrally formed.

The second member 114 has two beads 115a and 115b protruding toward the bus bar tap terminal on the surface of the plate body to contact the bus bar tap terminal 310. [ The second member 114 contacts the bus bar tap terminal 310 twice because the two beads 115a and 115b contact the surface of the bus bar tap terminal 310 respectively. These beads 115a and 115b extend along the longitudinal direction of the bus bar tap terminal 310 and are disposed side by side. However, the shape and the number of the beads are not limited thereto, and any shape that can increase the contact area with the bus bar tap terminal 310 can be formed and more. The beads 115a and 115b may be formed to have the same or symmetrical shape as the beads 112a and 112b formed on the first member 111 as described above.

3, the first through hole 116 and the first protrusion 117 are formed in the first member 111, and the second through hole 118 and the second protrusion 119 are formed in the second member 111 114). At this time, the first through hole 116 and the second protrusion 119 are formed at positions facing each other, and the second through hole 118 and the first protrusion 117 are formed at positions facing each other.

The first through hole 116 is a substantially T-shaped hole formed in the first member 111. The first protrusion 117 is formed by horizontally arranging a substantially T-shaped plate through the second through hole 118, and the first member 111 is partially cut and bent. Therefore, a hole having the same shape as the first projection 117 is formed in the first member 111 to form the first projection 117. [ The first through hole 116 is formed near the lower end of the first member 111, that is, the end not connected to the connecting member 113. On the other hand, the first projection 117 is formed close to the upper end of the first member 111, that is, the end of the first member 111 that is connected to the connection member 113. The first protrusion 117 is formed to extend toward the bus bar tab terminal pressing portion 130 through the second through hole 118 as shown in FIGS. A diaphragm is formed above the space between the second member 114 and the bus bar tap terminal pressing part 130 by the first projection 117 and the end of the bus bar tap terminal 310 is connected to the first And is blocked by the projection 117.

The second through hole 118 is an approximate T-shaped hole formed in the second member 114. The second projection 119 is formed by horizontally arranging a substantially T-shaped plate through the first through hole 116, and the second member 114 is partially cut and bent. Therefore, a hole having the same shape as that of the second projection 119 is formed in the second member 114 to form the second projection 119. The second protrusion 119 is formed to extend toward the relay tap terminal depression 120 through the first through hole 116 as shown in FIGS. The second projection 119 forms a diaphragm below the space between the first member 111 and the relay tab terminal pressing portion 120 and the end of the relay tab terminal 210 is connected to the second projection 119).

The relay tab terminal pressing portion 120 and the bus bar tab terminal pressing portion 130 are formed on opposite sides of the supporting portion 110 to be symmetrical with each other so that the relay tab terminal 210 and the bus bar tab terminal 310 to the support 110 side.

The relay tab terminal pressing portion 120 is formed to extend from both ends of the first member 111 and bends outward at an end of the first member 111 with an arc to extend toward the relay tab terminal 210 do. The relay tap terminal pressing part 120 is spaced apart from the first member 111 so that the relay tap terminal 210 is inserted therebetween. 4, the ends of the relay tab terminal pressing portion 120a formed at one end of the first member 111 and the end of the relay tab terminal pressing portion 120b formed at the other end of the first member 111 And is narrower than the gap between the plurality of beads 112a and 112b formed in the first member 111. [

The bus bar tab terminal pressing portion 130 is formed to extend from both ends of the second member 114 and bends outward at a side end of the second member 114 so as to form an arc, Lt; / RTI > The end of the bus bar tab terminal pressing portion 130 is spaced apart from the second member 114 so that the bus bar tab terminal 310 is inserted therebetween. The bus bar tab terminal pressing portion 130 is also connected to the end of the bus bar tab terminal pressing portion 130a formed at one end of the second member 114 and the bus bar tab pressing portion 130b formed at the other end of the bus bar tab terminal pressing portion 130, The end of the terminal pressing part 130b is spaced apart and narrower than the gap between the plurality of beads 115a and 115b formed on the second member 114. [

The shape of the relay tab terminal pressing portion 120 and the bus bar tab terminal pressing portion 130 are not limited thereto and may be any shape for pressing the relay tab terminal and the bus bar tab terminal toward the support portion. For example, the relay tab terminal pressing portion 120 and the bus bar tab terminal pressing portion 130 may be formed in any shape so as to provide an elastic force to each terminal, such as an end of each of the relay tab terminal pressing portion 120 and the bus bar tap terminal pressing portion 130, .

5 and 6, a state where the relay tab terminal 210 and the bus bar tab terminal 310 are inserted into the relay terminal 100 will be described in detail. The relay tap terminal 210 is a terminal of the relay 200 and extends downwardly from the groove of the upper case of the junction box. The relay tab terminal 210 is inserted between the first member 111 and the relay tab terminal pressing portion 120 at the upper portion of the relay terminal 100 and the lower end portion of the relay tab terminal 210 is connected to the second projection 119 Insert until contact. The relay tab terminal 210 is brought into contact with the first member 111 twice in contact with the two beads 112a and 112b. The other end of the relay tab terminal 210 is pressed against the support portion 110 in contact with the relay tab terminal pressing portion 120 so that the relay tab terminal 210 is kept in contact with the beads 112a and 112b.

The bus bar tap terminal 310 is a terminal constituting an end portion of the bus bar 300 and is provided between the upper case and the lower case of the junction box and extends upward. The bus bar tab terminal 310 is inserted between the second member 114 and the bus bar tab terminal pressing portion 130 at a lower portion of the relay terminal 100 and the upper end of the bus bar tab terminal 310 is inserted into the first projection portion 117). The bus bar tab terminal 310 is in contact with the two beads 115a and 115b on one side and contacts the second member 114 twice. The other side of the bus bar tab terminal 310 is pressed against the support portion 110 in contact with the bus bar tab terminal pressing portion 130 so that the contact with the beads 115a and 115b is maintained.

FIG. 7 is a flow chart showing the manufacturing method of the embodiment shown in FIG. 2, FIG. 8 is a perspective view showing a state where the first bending step is completed, and FIG. 9 is a view showing a state where the second bending step is completed As shown in Fig. The manufacturing method of the relay terminal 100 described above with reference to Figs. 2 to 9 will be described in detail.

The relay terminal 100 includes a punching step S10, a first bending step S20, a second bending step S30, a third bending and bonding step S40. First, in a punching step (S10), a plate having a predetermined thickness and having elasticity and conductivity is punched into a suitable shape. The first and second through holes 116 and 118 are formed in the punching step S10 so that a space is formed between the portion to be the relay tab terminal pressing portion 130 and the portion to be the bus bar tab terminal pressing portion 130 do. Also, a plurality of beads 112a, 112b, 115a, and 115b are formed in the punching step S10. However, the first and second through holes 116 and 118 may be further formed by punching the plate material in which the plurality of beads 112a, 112b, 115a, and 115b have already been formed in the punching step S10.

Next, in the first bending step (S20), the first half projection portions 117 and 119 are formed. The first half-projections 117 and 119 are bent at the same time as a part of the half-member is cut while the first half-projections 117 and 119 are formed. The first bending step S20 may be performed simultaneously with the punching step S10 described above, or may be performed first.

Next, in the secondary bending step (S30), the relay tab terminal pressing portion 120 and the bus bar tab terminal pressing portion 130 are formed. Concretely, the curved surface is bent along the line A-A and A'-A 'shown in FIG. 8 in the direction of the arrow.

Finally, in the third bending step (S40), the supporting portion 110 is formed. Specifically, it is formed in a U shape by bending in the direction of the arrow with reference to the BB line shown in Fig. At this time, the first protrusion 117 is inserted into the second through hole 118, and the second protrusion 119 is inserted into the first through hole 116, respectively.

As described above, those skilled in the art will appreciate that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Therefore, it should be understood that the above-described embodiments are to be considered in all respects as illustrative and not restrictive. The scope of the present invention is indicated by the scope of claims of utility model registration described below rather than the detailed description, and all changes or modifications derived from the meaning and scope of utility model registration claims and equivalents are included in the scope of the present invention Should be interpreted.

100: Relay terminal 110: Support
120: relay tap terminal pressing part 130: bus bar tap terminal pressing part
210: relay tap terminal 310: bus bar tap terminal

Claims (10)

And a relay terminal to which a relay tap terminal and a bus bar tap terminal are inserted,
The relay terminal includes:
A support portion provided between the relay tap terminal and the bus bar tap terminal for energizing the relay tap terminal and the bus bar tap terminal;
A relay tap terminal pressing part extending from the support part and pressing the relay tap terminal toward the support part; And
And a bus bar tap terminal pressing part extending from the support part and pressing the bus bar tap terminal toward the support part,
Wherein the support portion contacts at least twice the relay tab terminal and at least twice the bus bar tab terminal.
Junction box. The method according to claim 1,
The support portion
A first member at least twice in contact with the relay tab terminal;
A connecting member curved and extending in an opposite direction at one end of the first member; And
And a second member extending from the connecting member toward the other end of the first member and contacting the bus bar tab terminal at least twice. 3. The method of claim 2,
Wherein the first member includes at least two beads protruding from and in contact with the relay tab terminals,
Wherein the second member includes at least two beads protruding from and in contact with the bus bar tap terminal. The method of claim 3,
Wherein at least one of the plurality of beads extends in the longitudinal direction of the relay tab terminal or the bus bar tab terminal. 3. The method of claim 2,
The support portion
A through hole formed in the first member and / or the second member; And
And protrusions formed in the second member and / or the first member corresponding to the through-holes,
And the protrusion is inserted into the through hole. 6. The method of claim 5,
Wherein the protrusion is formed by cutting the second member and / or a part of the first member and bending toward the through hole. 6. The method of claim 5,
The projection
And further extends through the through-hole to intercept the relay tab terminal pressing portion and the first member, or to block the bus bar tab terminal pressing portion and the second member. 8. The method of claim 7,
Wherein the projection is in contact with a longitudinal end of the relay tab terminal or a longitudinal end of the bus bar tab terminal. 3. The method of claim 2,
The relay tap terminal pressing part is bent at both side ends of the first member toward the relay tap terminal and contacts the relay tap terminal,
Wherein the bus bar tab terminal pressing portion is curved from both side ends of the second member toward the relay tab terminal and is in contact with the bus bar tap terminal. 10. The method of claim 9,
Wherein the relay tab terminal pressing portion and the bus bar tab terminal pressing portion are formed symmetrically with respect to each other with the support portion interposed therebetween.
KR20130008438U 2013-10-14 2013-10-14 Junction box having terminal KR20150001540U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR20130008438U KR20150001540U (en) 2013-10-14 2013-10-14 Junction box having terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20130008438U KR20150001540U (en) 2013-10-14 2013-10-14 Junction box having terminal

Publications (1)

Publication Number Publication Date
KR20150001540U true KR20150001540U (en) 2015-04-22

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ID=53036697

Family Applications (1)

Application Number Title Priority Date Filing Date
KR20130008438U KR20150001540U (en) 2013-10-14 2013-10-14 Junction box having terminal

Country Status (1)

Country Link
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